Chapter 1 Neurohistology Flashcards
1
Q
Which of the following neurons are axonless? A. Amacrine cells of the retina B. Granule cells of the olfactory bulb C. Purkinje cells D. A and B only E. All of the above
A
D. A and B only (p. 4)
2
Q
The initial segment is myelinated
A. True
B. False
A
B. False (p. 6)
3
Q
Dendrites contain all the organelles in the neuroplasm of the perikaryon EXCEPT A. Nissl bodies B. Golgi apparatus C. Neurofibrils D. Lipochrome pigment granules
A
B. Golgi apparatus (p. 7)
4
Q
Which protein is involved in fast anterograde transport? A. Kinesin B. Dynein C. Tubulin D. Actin
A
A. Kinesin (p. 12)
5
Q
Which protein is involved in fast retrograde transport? A. Kinesin B. Dynein C. Tubulin D. Actin
A
B. Dynein (p. 12)
6
Q
Largest and most widely distributed encapsulated receptor organ A. Meissner corpuscle B. Vater-Pacini corpuscle C. Golgi-Mazzoni corpuscle D. Ruffini corpuscle
A
B. Vater-Pacini corpuscle (p. 16)
7
Q
The only macroscopic receptor organ in the body A. Meissner corpuscle B. Vater-Pacini corpuscle C. Golgi-Mazzoni corpuscle D. Ruffini corpuscle E. Merkel’s disc F. Free nerve endings
A
B. Vater-Pacini corpuscle (p. 16)
8
Q
Which receptor organ is responsible for tactile gnosis? A. Free nerve endings B. Merkel’s disc C. Meissner’s corpuscles D. Vater-Pacini corpuscles E. Ruffini corpuscles F. End bulbs of Krause
A
B. Merkel’s disc (p. 16)
9
Q
Which receptor organ is responsible for moving touch? A. Free nerve endings B. Merkel’s disc C. Meissner’s corpuscles D. Vater-Pacini corpuscles E. Ruffini corpuscles F. End bulbs of Krause
A
C. Meissner’s corpuscles (p. 16)
10
Q
Which receptor organ is responsible for temperature? A. Free nerve endings B. Merkel’s disc C. Meissner’s corpuscles D. Vater-Pacini corpuscles E. Ruffini corpuscles F. End bulbs of Krause
A
F. End bulbs of Krause (p. 16)
11
Q
Oligodendrocytes are efficient buffers of* A. Sodium B. Potassium C. Calcium D. Chloride
A
B. Potassium (p. 9)
12
Q
Proprioception, stretch, and motor to skeletal muscle fibers (extrafusal) A. A alpha B. A beta C. A gamma D. A delta E. B F. C
A
A. A alpha (p. 10)
13
Q
Pressure, stretch, touch, and vibratory sense A. A alpha B. A beta C. A gamma D. A delta E. B F. C
A
B. A beta (p. 10)
14
Q
Motor to muscle spindle (intrafusal muscle fiber) A. A alpha B. A beta C. A gamma D. A delta E. B F. C
A
C. A gamma (p. 10)
15
Q
Some nerve endings serving pain, temperature, and touch A. A alpha B. A beta C. A gamma D. A delta E. B F. C
A
D. A delta (p. 10)
16
Q
Sympathetic preganglionic axons A. A alpha B. A beta C. A gamma D. A delta E. B F. C
A
E. B (p. 10)
17
Q
Other pain, temperature, and mechanical receptors; sympathetic postganglionic axons (motor to smooth muscle glands) A. A alpha B. A beta C. A gamma D. A delta E. B F. C
A
F. C (p. 10)
18
Q
Touch is mediated by which type of nerve fibers* A. Ia B. Ib C. II D. III E. IV
A
C. II or D. III (p. 10)
19
Q
Golgi tendon organ* A. Type Ia B. Type Ib C. Type II D Type III E. Type IV
A
B. Type Ib (p. 10)
